Microsoft Office Excel 2000 SP3 allows remote attackers to execute arbitrary code via a crafted Excel spreadsheet that contains a malformed object, which triggers memory corruption during the loading of records from this spreadsheet, aka "File Format Parsing Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5614
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-074
http://www.vupen.com/english/advisories/2008/3386
http://www.us-cert.gov/cas/techalerts/TA08-344A.html
http://www.securitytracker.com/id?1021368
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=763